RA/DEC (2000)
18:12:28.558 -66:21:47.12
273.118992 -66.363089
Type
---
Redshift
Discovery Report
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-04-03 08:58:54.336
TNS AT
Y
Public
Y
Discovery Mag
19.205
Filter
cyan-ATLAS
Reporter/s
J. Tonry, L. Denneau, H. Weiland, R. Siverd (IfA, University of Hawaii), N. Erasmus, W. Koorts (South African Astronomical Observatory), A. Jordan, V. Suc (UAI, Obstech), S. J. Smartt, K. W. Smith (Oxford/QUB), D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. Weston, X. Sheng, C. R. Angus, A. Wilson, A. Aamer, D. Magill (QUB), P. Ramsden (Birmingham/QUB), L. Shingles (GSI/QUB), S. Srivastav, J. H. Gillanders, H. Stevance, A. J. Cooper, F. Stoppa, J. Tweddle (Oxford), L. Rhodes (TSI/McGill), A. Rest (STScI), T.-W. Chen (NCU), C. Stubbs (Harvard), J. S. Sommer (LMU), B. P. Schmidt (ANU)
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Light curves

 ▌ATLAS-CHL_ATLAS-04_cyan
 ▌ATLAS-STH_ATLAS-03_orange
 ▌BG4_BlackGEM-Cam4_BG-q
   
Pointer position (MJD, Mag, Abs.Mag): (0.00, 0.00, 0.00)
No Data
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
cyan-ATLAS ATLAS-CHL_ATLAS-04 2025-04-03 08:58:54 - 2025-04-03 08:58:54 2460768.87424 - 2460768.87424 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
481381 2025-04-03 08:58:54 2460768.87424 19.205 0.171 19.33 ABMag cyan-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
orange-ATLAS ATLAS-STH_ATLAS-03 2025-04-01 01:53:27 - 2025-04-01 01:53:27 2460766.57878 - 2460766.57878 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
481380 2025-04-01 01:53:27 2460766.57878 19.18 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot [Last non detection]
BG-q-BlackGem BG4_BlackGEM-Cam4 2025-03-14 09:05:37 - 2025-03-20 09:48:56 2460748.8789005 - 2460754.9089815 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
587090 2025-03-20 09:48:56 2460754.9089815 19.64 0.12 20.17 ABMag BG-q-BlackGem BG4_BlackGEM-Cam4 60 robotic
587089 2025-03-14 09:05:37 2460748.8789005 19.7 ABMag BG-q-BlackGem BG4_BlackGEM-Cam4 60 robotic [Last non detection]
AT Reports
ID Time received (UT) Sender Reporter/s Reporting group Disc. Data Source RA DEC Discovery date (UT) Discovery Mag. Filter Related files AT Type Host name Internal name Assoc. Groups End prop. period Remarks ADS Bibcode Unreal Auto classification
306109 2026-05-27 16:25:51 BlackGEM_Bot1 H. Tranin, F. Stoppa, D. Pieterse et al. BlackGEM BlackGEM 18:12:28.558 -66:21:47.12 2025-03-20 09:48:56.000 19.64 BG-q-BlackGem PSN BGEM J181228.56-662147.1 BlackGEM N
251210 2025-04-08 08:27:06 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 18:12:28.514 -66:21:47.14 2025-04-03 08:58:54.336 19.205 cyan-ATLAS PSN ATLAS25drj ATLAS 2025TNSTR1322....1T N
No Data

Comments

TNS
System

Wed, 05/27/2026 - 16:25

Object coordinates updated

Object coordinates updated according to AT-report 306109 of Group BlackGEM
Previous RA, DEC: 18:12:28.514, -66:21:47.14 (273.11881, -66.363095)
Updated RA, DEC: 18:12:28.558, -66:21:47.12 (273.118992, -66.363089)